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Finding the Fourth Proportional to 6,392,977.08, 9,589,548.74 and 2,133,145.32

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Solution

The fourth proportional to 6,392,977.08, 9,589,548.74 and 2,133,145.32 is: 3,199,745.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,392,977.08 : 9,589,548.74 = 2,133,145.32 : x
  2. Step 2: Convert to fraction form
    6,392,977.08/9,589,548.74 = 2,133,145.32/x
  3. Step 3: Cross multiply
    6,392,977.08x = 9,589,548.74 × 2,133,145.32
  4. Step 4: Simplify right side
    6,392,977.08x = 20,455,901,015,642.89
  5. Step 5: Solve for x
    x = 20,455,901,015,642.89/6,392,977.08
  6. Step 6: Final answer
    x = 3,199,745.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.